def keyPressEvent(self, event):
BaseItem.keyPressEvent(self, event)
step = 1
if event.modifiers() & Qt.ShiftModifier:
step = 5
ds = {Qt.Key_Left: (-step, 0),
Qt.Key_Right: (step, 0),
Qt.Key_Up: (0, -step),
Qt.Key_Down: (0, step)
}.get(event.key(), None)
if ds is not None:
self.moveBy(*ds)
event.accept()
def keyPressEvent(self, event):
BaseItem.keyPressEvent(self, event)
step = 1
if event.modifiers() & Qt.ShiftModifier:
step = 5
ds = {Qt.Key_Left: (-step, 0),
Qt.Key_Right: (step, 0),
Qt.Key_Up: (0, -step),
Qt.Key_Down: (0, step),
}.get(event.key(), None)
if ds is not None:
if event.modifiers() & Qt.ControlModifier:
centre_x=self._rect.center().x()#self._rect.x()+self._rect.width()/2
centre_y=self._rect.center().y()#self._rect.y()+self._rect.height()/2
ratio=self._rect.width()/self._rect.height()
changed=False
if (ds[0]==0): # change of height
newh=self._rect.height() + ds[1]*-2
if (newh>10):
h = newh
w = ratio*h
changed=True
else: # change of width
neww=self._rect.width() + ds[0]*2
if (neww>10):
w = neww
h = w/ratio
changed=True
if (changed):
x = centre_x - w/2
y = centre_y - h/2
if (x>=0 and y>=0 and x+w<=self._max_w and y+h<=self._max_h):
rect = QRectF(QPointF(x,y), QSizeF(w, h)).normalized()
self._updateRect(rect)
else:
rect = self._rect.adjusted(*(ds + ds))
if (rect.x()>=0 and rect.y()>=0 and rect.x()+rect.width()<=self._max_w and rect.y()+rect.height()<=self._max_h):
self._updateRect(rect)
self.updateModel()
event.accept()
